No one should be allowed to bring a chainsaw on a plane. Period. All other garden tools ought to be on the prohibited list as well.
Cigarette lighters shouldn't be allowed either, especially after the shoe bomber escapade. There's no need to ignite a flame on board, and you can go without your nicotine fix for the few hours of the flight. Smoke at the terminal before departure if you must.
BTW, some schools will be serving flavored carbonated milk- really. I just saw a link to this one at Yahoo underneath the story. It's quite a surprise that didn't appear in Japan first.
